Quantum Communication and Decoherence

Details Quantum Communication and Decoherence Quantum Communication and Decoherence

2002-08-02

arxiv.org/abs/quant-ph/0208014v2

Physics

Quantum Physics

31 pages, 10 figures, LaTeX, book chapter to appear in ``Coherent Evolution in Noisy Environments'', Lecture Notes in Physics,

Scientific paper

10.1007/3-540-45855-7_6

In this contribution we will give a brief overview on the methods used to overcome decoherence in quantum communication protocols. We give an introduction to quantum error correction, entanglement purification and quantum cryptography. It is shown that entanglement purification can be used to create ``private entanglement'', which makes it a useful tool for cryptographic protocols.

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